New Old Stock... New still in original shrink wrap plastic with box. Stamped date [2073] 207 is day of year=July 26...3=year. This carb with the dash number stamped on the air horn is 1850-4. It was produced primarily in the 1980s making it a 40 year old new carb. This new old stock Holley is a 600cfm, vacuum secondary, square bore, with manual choke, $450.00 dollars firm....
If Interested Call Don at 315-four40-nine303